Williams announces FERC approval of Maryland natural gas pipelineWilliams announced that the Federal Energy Regulatory Commission has approved Transco’s application to expand its mainline pipeline system and construct an 11-mile pipeline lateral connecting Transco to an electric power generating facility in Cecil County, Md. The Rock Springs expansion project is designed to transport 192,000 dekatherms of natural gas per day to Old Dominion Electric Cooperative’s planned Wildcat Point Generation Facility. Transco’s Rock Springs expansion is among $4.8B in transmission projects Williams expects to place into service through 2017, the company noted.